1#@!#!123s

: / proc / self / cwd / wp-content / plugins / wp-fastest-cache-premium / pro / library /
Filename : render-blocking.php
back
<?php
	class WpFastestCacheRenderBlocking{
		private $html = "";
		private $except = "";
		private $tags = array();
		private $header_start_index = 0;
		private $js_tags_text = "";

		public function __construct($html){
			$this->html = $html;
			$this->set_header_start_index();
			$this->set_tags();
			$this->tags = $this->tags_reorder($this->tags);
		}

		public function set_header_start_index(){
			$head_tag = $this->find_tags("<head", ">");
			$this->header_start_index = isset($head_tag[0]) && isset($head_tag[0]["start"]) && $head_tag[0]["start"] ? $head_tag[0]["start"] : 0;
		}
		public function tags_reorder($tags){
			// <script>jQuery('head').append('<style>' + arr_splits[i] + '</style>');</script>
			// <script>document.getElementById("id").innerHTML='<div> <span> <!--[if !IE]>--> xxx <!--<![endif]--> </span></div>';</script>
			$list = array();

			for ($i=0; $i < count($tags); $i++) {
				for ($j=0; $j < count($tags); $j++) { 
					if($tags[$i]["start"] > $tags[$j]["start"]){
						if($tags[$i]["end"] < $tags[$j]["end"]){
							array_push($list, $i);
						}
					}
				}
			}

			foreach ($list as $key => $value) {
				unset($tags[$value]);
			}




		    $sorter = array();
		    $ret = array();

		    foreach ($tags as $ii => $va) {
		        $sorter[$ii] = $va['start'];
		    }

		    asort($sorter);

		    foreach ($sorter as $ii => $va) {
		        $ret[$ii] = $tags[$ii];
		    }

		    $tags = $ret;

		    return $tags;
		}

		public function set_except($tags){
			foreach ($tags as $key => $value) {
				$this->except = $value["text"].$this->except;
			}
		}

		public function set_tags(){
			$this->set_comments();
			$this->set_js();
			$this->set_css();
		}

		public function set_css(){
			$style_tags = $this->find_tags("<style", "</style>");

			foreach ($style_tags as $key => $value) {
				// <script>var xxx ={"id":"4", "html":"<style>\n\t\t\t.container{color:#CCCCCC;}\n\t\t<\/style>"};</script>
				if(!preg_match("/<\/script>/i", $value["text"])){
					array_push($this->tags, $value);
				}
			}

			
			
			$link_tags = $this->find_tags("<link", ">");

			foreach ($link_tags as $key => $value) {
				if(preg_match("/href\s*\=/i", $value["text"])){
					if(preg_match("/rel\s*\=\s*[\'\"]\s*stylesheet\s*[\'\"]/i", $value["text"])){
						array_push($this->tags, $value);
					}
				}
			}
		}

		public function set_js(){
			$script_tag = $this->find_tags("<script", "</script>");

			foreach ($script_tag as $key => $value) {
				if(preg_match("/google_ad_client/", $value["text"])){
					continue;
				}

				if(preg_match("/googlesyndication\.com/", $value["text"])){
					continue;
				}

				// if(preg_match("/srv\.sayyac\.net/", $value["text"])){
				// 	continue;
				// }

				if(preg_match("/app\.getresponse\.com/i", $value["text"])){
					continue;
				}

				if(preg_match("/adsbygoogle/i", $value["text"])){
					continue;
				}

				//<script type='text/javascript' src='http://partner.googleadservices.com/gampad/google_service.js'></script>
				if(preg_match("/partner\.googleadservices\.com\/gampad\/google_service\.js/i", $value["text"])){
					continue;
				}

				// <script type='text/javascript'>
				// GS_googleAddAdSenseService("ca-pub-1059380037");
				// GS_googleEnableAllServices();
				// </script>
				if(preg_match("/<script[^\>]*>\s*GS_googleAddAdSenseService\([\"\'][^\"\']+[\"\']\)\;\s*GS_googleEnableAllServices\(\)\;\s*<\/script>/i", $value["text"])){
					continue;
				}

				// <script type='text/javascript'>
				// GA_googleAddSlot("ca-pub-1059380037", "viajablog-300-250");
				// </script>
				if(preg_match("/<script[^\>]*>\s*GA_googleAddSlot\([^\)]+\)\;\s*<\/script>/i", $value["text"])){
					continue;
				}

				// <script type='text/javascript'>
				// GA_googleFetchAds();
				// </script>
				if(preg_match("/<script[^\>]*>\s*GA_googleFetchAds\(\)\;\s*<\/script>/i", $value["text"])){
					continue;
				}

				// <script>
				//   (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
				//   (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
				//   m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
				//   })(window,document,'script','https://www.google-analytics.com/analytics.js','ga');

				//   ga('create', 'UA-9999-9', 'auto');
				//   ga('send', 'pageview');
				// </script>
				if(preg_match("/<script[^\>]*>\s*\(function\(i,s,o,g,r,a,m\)\{i\[\'GoogleAnalyticsObject\'\]/i", $value["text"])){
					if(preg_match("/ga\(\'send\',\s*\'pageview\'\)\;\s*<\/script>/i", $value["text"])){
						continue;
					}
				}


				// <script async src="https://www.googletagmanager.com/gtag/js?id=AW-814516440"></script>
				// <script>window.dataLayer=window.dataLayer||[];
				// function gtag(){
				// dataLayer.push(arguments);
				// }
				// gtag('js', new Date());
				// gtag('config', 'AW-814516440');</script>
				// <script type="text/javascript">
				// gtag('event', 'page_view', {
				// 'send_to': 'AW-814516440',
				// 'ecomm_pagetype': 'home'
				// });
            	//</script>
				if(preg_match("/<script[^\>]+googletagmanager\.com\/gtag\/js[^\>]+>/i", $value["text"])){
					continue;
				}
				if(preg_match("/^<script>\s*window\.dataLayer\s*=\s*window\.dataLayer/i", $value["text"]) && 
					preg_match("/gtag\([^\)]+\)\s*\;\s*<\/script>$/i", $value["text"])){
					continue;
				}
				if(preg_match("/^<script[^\>]*>\s*gtag\([^\)]+\)\s*\;\s*<\/script>$/i", $value["text"])){
					continue;
				}




				if(preg_match("/smarticon\.geotrust\.com\/si\.js/i", $value["text"])){
					continue;
				}

				if(preg_match("/veedi\.com\/player\/embed\/veediEmbed\.js/i", $value["text"])){
					continue;
				}

				if(preg_match("/cdn\.ampproject\.org/i", $value["text"])){
					continue;
				}

				if(preg_match("/data-wpfc-render\=[\"\']false[\"\']/i", $value["text"])){
					continue;
				}

				if(preg_match("/data-cfasync\=[\"\']false[\"\']/i", $value["text"])){
					continue;
				}

				/*
				<script id="bx24_form_inline" data-skip-moving="true">
			        (function(w,d,u,b){w['Bitrix24FormObject']=b;w[b] = w[b] || function(){arguments[0].ref=u;
			                (w[b].forms=w[b].forms||[]).push(arguments[0])};
			                if(w[b]['forms']) return;
			                var s=d.createElement('script');s.async=1;s.src=u+'?'+(1*new Date());
			                var h=d.getElementsByTagName('script')[0];h.parentNode.insertBefore(s,h);
			        })(window,document,'https://b24-37awag.bitrix24.com/bitrix/js/crm/form_loader.js','b24form');

			        b24form({"id":"1","lang":"en","sec":"yesxbh","type":"inline"});
				</script>
				*/
				if(preg_match("/data-skip-moving\=[\"\']true[\"\']/i", $value["text"])){
					continue;
				}

				if(preg_match("/adserver\.adtechjp\.com/i", $value["text"])){
					continue;
				}

				if(preg_match("/ib\.3lift\.com/i", $value["text"])){
					continue;
				}

				if(preg_match("/adtradradservices\.com/i", $value["text"])){
					continue;
				}

				if(preg_match("/static.clickpapa.com\/c\.js/i", $value["text"])){
					continue;
				}

				if(preg_match("/clickpapa_ad_client/i", $value["text"])){
					continue;
				}

				if(preg_match("/cts\.tradepub\.com/i", $value["text"])){
					continue;
				}

				if(preg_match("/_areklam_target|ad\.arklm\.com/i", $value["text"])){
					continue;
				}

				if(preg_match("/admatic\.com\.tr/i", $value["text"])){
					continue;
				}

				if(preg_match("/ca\.cubecdn\.net/i", $value["text"])){
					continue;
				}

				if(preg_match("/amazon-adsystem\.com\/widgets\/onejs/i", $value["text"])){
					//<script src="//z-na.amazon-adsystem.com/widgets/onejs?MarketPlace=US"></script>
					continue;
				}

				if(preg_match("/amzn_assoc_placement/i", $value["text"])){
					// <script>amzn_assoc_placement="adunit0";
					// amzn_assoc_search_bar="false";
					// amzn_assoc_tracking_id="3d0f1f-20";
					// amzn_assoc_ad_mode="search";
					// amzn_assoc_ad_type="smart";
					// amzn_assoc_marketplace="amazon";
					// amzn_assoc_region="US";
					// amzn_assoc_title="";
					// amzn_assoc_default_search_phrase="Spray Paint ";
					// amzn_assoc_default_category="All";
					// amzn_assoc_linkid="949bfb847147d654e679d4876a8e2b77";</script>
					continue;
				}
				
				//<script type="text/javascript">document.write("<div data-role=\"amazonjs\" data-asin=\"4334035787\" data-locale=\"JP\" data-tmpl=\"\" data-img-size=\"\" class=\"asin_4334035787_JP_ amazonjs_item\"><div class=\"amazonjs_indicator\"><span class=\"amazonjs_indicator_img\"></span><a class=\"amazonjs_indicator_title\" href=\"https://www.amazon.co.jp/%E5%B8%8%E5%AF%BF/dp/4334035787?SubscriptionId=AKIAIQGSXT2U7QVCQGHA&tag=hiyokoweb06-22&linkCode=xm2&camp=2025&creative=165953&creativeASIN=4335787\">希望難民ご一行様　ピースボートと「承認の共同体」幻想 (光文社新書)</a><span class=\"amazonjs_indicator_footer\"></span></div></div>")</script>
				if(preg_match("/^<script[^\>]*>\s*document.write\([\"\']\s*<div/i", $value["text"])){
					if(preg_match("/\s*<\/div>[\"\']\)\s*<\/script>$/i", $value["text"])){
						if(preg_match("/amazonjs/i", $value["text"])){
							continue;
						}
					}
				}

				if(preg_match("/reklamstore/i", $value["text"])){
					if(preg_match("/reklamstore_region_id/i", $value["text"])){
						continue;
					}else if(preg_match("/reklamstore\.com\/reklamstore\.js/i", $value["text"])){
						continue;
					}
				}

				//<script>document.write ('<iframe id="g2324_1" src="http://site.com/index.php?display_gallery_iframe&amp;gal_id=2324_1&amp;gal_type=2&amp;gal_cap=OFF&amp;gal_page=false"></iframe>');</script>
				if(preg_match("/document\.write\s*\(/i", $value["text"])){
					if(preg_match("/<iframe/i", $value["text"])){
						continue;
					}
				}

				//Yandex.Metrika counter
				if(preg_match("/mc\.yandex\.ru\/metrika\/watch\.js/i", $value["text"])){
					if(preg_match("/yandex_metrika_callbacks/i", $value["text"])){
						continue;
					}
				}

				//<script type="text/javascript" src="https://seal.thawte.com/getthawteseal?host_name=www.site.co.za&amp;size=S&amp;lang=en"></script>
				if(preg_match("/seal\.thawte\.com/i", $value["text"])){
					continue;
				}

				//cdn.playwire.com/bolt/js/zeus/embed.js
				if(preg_match("/cdn\.playwire\.com\/bolt\/js\/zeus\/embed\.js/i", $value["text"])){
					continue;
				}
				
				//<script type= "text/javascript">var RecaptchaOptions = {custom_translations : { instructions_visual : "This is my text:" }};</script>
				if(preg_match("/var\s+RecaptchaOptions\s*=\s*\{/i", $value["text"])){
					continue;
				}

				/*
				<script src='https://www.google.com/recaptcha/api.js?render=6LfPWo4hLx1PTv7yszALlb5F_M&#038;ver=3.0'></script>
				<script type="text/javascript" src="http://www.google.com/recaptcha/api/challenge?k=NZa7E&amp;hl=en"></script>
				*/
				if(preg_match("/google\.com\/recaptcha\/api/i", $value["text"])){
					continue;
				}

				// <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
				// new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
				// j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
				// 'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
				// })(window,document,'script','dataLayer','GTM-5NRFSPW');</script>
				if(preg_match("/googletagmanager\.com\/gtm\.js/i", $value["text"]) && preg_match("/parentNode\.insertBefore/i", $value["text"])){
					continue;
				}

				//<script src="https://gist.github.com/name/0af5cfb23055f8d45f25328befd4d024.js"></script>
				if(preg_match("/gist\.github\.com\//i", $value["text"])){
					continue;
				}

				//<script async="asnyc" type="text/javascript" src="https://a-ssl.ligatus.com/?ids=91770&t=js&s=1"></script>
				if(preg_match("/a-ssl\.ligatus\.com/i", $value["text"])){
					continue;
				}

				//<script type="text/javascript" src="https://sealserver.trustwave.com/seal.js?style=invert&code=1fb5e"></script>
				if(preg_match("/sealserver\.trustwave\.com\/seal\.js/i", $value["text"])){
					continue;
				}

				//<script language="javascript" src="//inviocare.us13.list-manage.com/generate-js/?u=f3707cdf398370b05&fid=4301&show=10" type="text/javascript"></script>
				if(preg_match("/inviocare\.us13\.list\-manage\.com\/generate\-js/i", $value["text"])){
					continue;
				}

				//<script type="text/javascript" src="https://form.jotform.co/jsform/60138856"></script>
				if(preg_match("/jotform[^\/]+\/jsform\/\d+/i", $value["text"])){
					continue;
				}

				if(preg_match("/static\.mailerlite\.com/i", $value["text"])){
					continue;
				}

				//<script charset="utf-8" type="text/javascript" src="//js.hsforms.net/forms/shell.js"></script>
				//<script charset="utf-8" type="text/javascript" src="//js.hsforms.net/forms/v2.js"></script>
				//<script charset="utf-8" type="text/javascript" src="//js-eu1.hsforms.net/forms/embed/v2.js"></script>
				if(preg_match("/js[^\.\"\']*\.hsforms\.net\/forms\//i", $value["text"])){
					continue;
				}

				/*
				<script>hbspt.forms.create({
				portalId: 5102205,
				formId: "c11016e5-6a9a-4361-a358-a2ac92b8399e",
				shortcode: "wp"
				});</script>
				*/
				if(preg_match("/<script>\s*hbspt\.forms\.create\([^\)]+\)\;\s*<\/script>/i", $value["text"])){
					continue;
				}


				//<script type="application/json" class="wp-playlist-script">
				if(preg_match("/<script[^\>]+application\/json[^\>]+/i", $value["text"])){
					// if(preg_match("/<script[^\>]+wp-playlist-script[^\>]+/i", $value["text"])){
					// 	continue;
					// }

					continue;
				}

				//<script type='application/ld+json' class='yoast-schema-graph yoast-schema-graph--main'></script>
				if(preg_match("/<script[^\>]+application\/ld\+json[^\>]+>/i", $value["text"])){
					continue;
				}

				//<script id='tmpl-nf-field-input' type='text/template'>
				//<script type='text/html' class='av-video-tmpl'>
				//<script type="text/mf" class="mf-template">
				if(preg_match("/<script[^\>]+text\/(template|html|mf)[^\>]+/i", $value["text"])){
					continue;
				}

				//<script type="text/css" id="tmpl-tribe_customizer_css">
				if(preg_match("/<script[^\>]+text\/css[^\>]+/i", $value["text"])){
					continue;
				}

				// <script src='https://snapppt.com/widgets/widget_loader/979939cd-504c-4b59-9dcc-9e9f39dc1d09/grid.js' class='snapppt-widget'></script>
				if(preg_match("/snapppt\.com\/widgets\/widget_loader/i", $value["text"])){
					continue;
				}

				// <script src="/plugins/smart-cookie-kit/res/empty.js" data-blocked="http://maps.googleapis.com/maps/api/js" data-sck_type="2" data-sck_unlock="profiling" data-sck_ref="Google Maps" data-sck_index="1" class="BlockedBySmartCookieKit"></script>
				if(preg_match("/class\s*\=\s*[\'\"]BlockedBySmartCookieKit[\'\"]/i", $value["text"])){
					continue;
				}

				/*
				<script src="//platform.linkedin.com/in.js" type="text/javascript">lang: en_US</script>
				<script type="IN/Share" data-counter="top" data-onSuccess="share" data-url="https://helenstock.com/product/romantic-fashion/"></script>
				*/
				if(preg_match("/platform\.linkedin\.com\/in\.js/i", $value["text"]) || preg_match("/type=[\"\']IN\/Share[\"\']/i", $value["text"])){
					continue;
				}

				/*
				<script id="mNCC" language="javascript">
				medianet_width="336";
				medianet_height="280";
				medianet_crid="656555462";
				medianet_versionId="3111299";
				</script>
				<script src="//contextual.media.net/nmedianet.js?cid=8CU33LCO0"></script>
				*/
				if((preg_match("/medianet_width/i", $value["text"]) && preg_match("/medianet_height/i", $value["text"])) || preg_match("/contextual\.media\.net\/nmedianet\.js/i", $value["text"])){
					continue;
				}

				/*
				<script class="cmplz-stats">(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||fu);</script>
				<script class="cmplz-native">function complianz_enable_cookies(){console.log("enabling cookies");}</script>
				https://wordpress.org/plugins/complianz-gdpr/
				*/
				if(preg_match("/class\s*\=\s*[\"\']cmplz-(stats|native)\s*[\"\']/i", $value["text"])){
					continue;
				}

				/*
				Advanced noCaptcha & invisible Captcha
				var anr_onloadCallback=function(){
				};
				*/
				if(preg_match("/anr_onloadCallback/i", $value["text"])){
					continue;
				}

				/*
				ConvertKit.com
				<script async data-uid="b3bb8ec8aa" src="https://thoughtful-artisan-9376.ck.page/b3bb8ec8aa/index.js"></script>
				*/
				if(preg_match("/\.ck\.page\/[^\/]+\/index\.js/i", $value["text"])){
					continue;
				}

				// <script src="//tp.media/content?currency=usd&promo_id=4044&shmarker=411367&campaign_id=100&trs=210595&target_host=%2Fsearch&locale=en&limit=5&powered_by=false&destination=LAS" charset="utf-8"></script>
				if(preg_match("/tp\.media\/content/i", $value["text"])){
					continue;
				}

				if(preg_match("/mediavine|social-pug/i", $value["text"])){
					continue;
				}


				$this->js_tags_text = $this->js_tags_text.$value["text"];

				array_push($this->tags, $value);
			}
		}

		public function set_comments(){
			$comment_tags = $this->find_tags("<!--", "-->");

			$this->set_except($comment_tags);

			foreach ($comment_tags as $key => $value) {
				if(preg_match("/\<\!--\s*\[if/i", $value["text"])){
					if(preg_match("/data-wpfc-render\=[\"\']false[\"\']/i", $value["text"])){
						continue;
					}

					array_push($this->tags, $value);
				}
			}
		}

		public function find_tags($start_string, $end_string, $html = false){
			$data = $html ? $html : $this->html;

			$list = array();
			$start_index = false;
			$end_index = false;

			for($i = 0; $i < strlen( $data ); $i++) {
			    if(substr($data, $i, strlen($start_string)) == $start_string){
			    	if(!$start_index && !$end_index){
			    		$start_index = $i;
			    	}
				}

				if($start_index && $i > $start_index){
					if(substr($data, $i, strlen($end_string)) == $end_string){
						$end_index = $i + strlen($end_string)-1;
						$text = substr($data, $start_index, ($end_index-$start_index + 1));
						
						if($html === false){
							if($start_index > $this->header_start_index){
								if($this->except){
									if(strpos($this->except, $text) === false){
										array_push($list, array("start" => $start_index, "end" => $end_index, "text" => $text));
									}
								}else{
									array_push($list, array("start" => $start_index, "end" => $end_index, "text" => $text));
								}
							}
						}else{
							array_push($list, array("start" => $start_index, "end" => $end_index, "text" => $text));
						}

						$start_index = false;
						$end_index = false;
					}
				}
			}

			return $list;
		}

		public function action($render_blocking_css = false, $make_defer = false){
			$wpemojiSettings = "";
			$google_fonts = "";
			$bootstrapcdn = "";
			$inline_js = "";
			$document_ready_js = "";
			$third_part_js = "";
			$script = "";
			$style = "";

			//to remove tags
			$this->tags = array_reverse($this->tags);
			foreach ($this->tags as $key => &$value) {
				if(preg_match("/\<\!--\s*\[if[^\>]+>/i", $value["text"])){
					if($arr = $this->split_html_condition($value["text"])){
						$style = "";
						$script = "";

						foreach ($arr as $arr_key => $arr_value) {
							if(preg_match("/\<\!--\s*\[if[^\>]+>(<link|<style)/i", $arr_value["text"])){
								$style = $style."\n".$arr_value["text"];
							}else if(preg_match("/\<\!--\s*\[if[^\>]+><script/i", $arr_value["text"])){
								$script = $script."\n".$arr_value["text"];
							}
						}
					}

					$value["text"] = $script;
					$this->html = substr_replace($this->html, $style, $value["start"], ($value["end"] - $value["start"] + 1));
				}else if(preg_match("/^<script/i", $value["text"])){
					$this->html = substr_replace($this->html, "", $value["start"], ($value["end"] - $value["start"] + 1));
				}else if(preg_match("/^<link[^\>]+(fonts|ajax)\.googleapis\.com[^\>]+>/", $value["text"])){
					if(isset($GLOBALS["wp_fastest_cache_options"]->wpFastestCacheGoogleFonts) && $GLOBALS["wp_fastest_cache_options"]->wpFastestCacheGoogleFonts){
						$this->html = substr_replace($this->html, "", $value["start"], ($value["end"] - $value["start"] + 1));

						$google_fonts = $value["text"]."\n".$google_fonts;
					}
				}else if(preg_match("/^<link[^\>]+(maxcdn)\.bootstrapcdn\.com[^\>]+>/", $value["text"])){
					$this->html = substr_replace($this->html, "", $value["start"], ($value["end"] - $value["start"] + 1));

					$bootstrapcdn = $value["text"]."\n".$bootstrapcdn;
				}
			}

			foreach ($this->tags as $key => &$value) {
				if($value["text"] && preg_match("/^<script/i", $value["text"])){
					if(preg_match("/gravatar\.com\/js\/gprofiles\.js/i", $value["text"]) || 
						preg_match("/use\.fontawesome\.com/i", $value["text"]) || 
						preg_match("/s0\.wp\.com\/wp-content\/js\/devicepx-jetpack\.js/i", $value["text"])){
						//<script type='text/javascript' src='http://s.gravatar.com/js/gprofiles.js?ver=2017Janaa'></script>
						//<script type='text/javascript' src='http://s0.wp.com/wp-content/js/devicepx-jetpack.js?ver=201701'></script>
						//<script defer src="https://use.fontawesome.com/089510df3b.js"></script>

						if(!preg_match("/\sdefer\s/i", $value["text"])){
							$value["text"] = preg_replace("/<script\s+/", "<script defer ", $value["text"]);
						}

						if(!preg_match("/\sasync\s/i", $value["text"])){
							$value["text"] = preg_replace("/<script\s+/", "<script async ", $value["text"]);
						}

						unset($this->tags[$key]);
						$third_part_js = $value["text"]."\n".$third_part_js;
					}else if(preg_match("/document\.addEventListener\(\s*[\"\']\s*DOMContentLoaded\s*[\"\']\s*,\s*function\s*\([^\)]*\)\s*\{/i", $value["text"])){
						//to remove jQuery(document) which contains window.attachEvent
						unset($this->tags[$key]);
						$document_ready_js = $value["text"]."\n".$document_ready_js;
					}else if(preg_match("/^<script[^\>]*>\s*jQuery\(\s*document\s*\)\.ready\(/i", $value["text"])){
						// <script>
						// 	jQuery(document).ready(function($){
						// 	});
						// </script>

						if(preg_match("/jQuery\(\s*window\s*\)\.load\(/i", $value["text"])){
							//jQuery(window).load(function(){
							continue;
						}

						if(preg_match("/\\$\(\s*window\s*\)\.load\(/i", $value["text"])){
							//$(window).load(function(){
							continue;
						}

						if(preg_match("/var owl\s*=\s*\\$\([\'\"]\.products-carousels-/i", $value["text"])){
							//to exclude carousel of Master Slider
							//https://codecanyon.net/item/master-slider-wordpress-responsive-touch-slider
							//var owl=$('.products-carousels-99056136 #products');
							continue;
						}

						
						if(preg_match("/\}\s*\)\s*\;\s*<\/script>$/i", $value["text"])){
							$jqIsReady_func_name = "jqIsReady_".rand(100,999);
							$value["text"] = preg_replace("/(<script[^\>]*>)/i", "$1"."(function ".$jqIsReady_func_name."(){if(typeof jQuery === \"undefined\"){setTimeout(".$jqIsReady_func_name.", 100);}else{", $value["text"]);
							$value["text"] = preg_replace("/\s*(<\/script>)/i", "}})();"."$1", $value["text"]);

							unset($this->tags[$key]);
							$document_ready_js = $value["text"]."\n".$document_ready_js;
						}
			    	}else if(preg_match("/^<script[^\>]*>\s*window\.\_wpemojiSettings/", $value["text"])){
						//to remove window._wpemojiSettings from tags
			    		unset($this->tags[$key]);
			    		$wpemojiSettings = $wpemojiSettings."\n".$value["text"];
			    	}else if(!preg_match("/^<script[^\>]+src=[\'\"][^\>]+>/", $value["text"])){
			    		//to remove inline js which do not contain any function
			    		//<script>var _wpcf7={"loaderUrl":"sample"};</script>
			    		$tmp = $value["text"];

			    		// <script>/*<![CDATA[*/var THO_Front = THO_Front || {}; THO_Front.data = {"end_of_content_id":"tho-end","const":{"_e_click":1,"_engagement":2}}/*]]> */</script>
			    		$tmp = preg_replace("/<script[^\>]+>\s*\/\*\s*<\!\[CDATA\[\s*\*\//", "", $tmp);
			    		$tmp = preg_replace("/\/\*\s*\]\]>\s*\*\/\s*<\/script>/", "", $tmp);

			    		// to remove multi-line comments but it removes everything. it does not work properly
			    		$tmp = preg_replace("/\s*\/\*(.+)\*\/\s*/", "", $tmp);

			    		//var themifyScript causes "fixed header" issue on thepurplepumpkinblog.co.uk
			    		if(preg_match("/var\sthemifyScript/i", $tmp)){
			    			continue;
			    		}

			    		//<script data-cfasync="false" type="text/javascript">var lsjQuery = jQuery;</script>
			    		if(preg_match("/data-cfasync\=[\"\']false[\"\']/i", $tmp)){
			    			continue;
			    		}

	    				if(preg_match("/(function|jQuery|if)\s*\([^\)\(]+\)/i", $tmp)){
	    					if(!preg_match("/<script[^\>]*>\s*function heateorSssLoadEvent/i", $tmp)){
	    						//https://plugins.trac.wordpress.org/browser/sassy-social-share/trunk/includes/class-sassy-social-share-widgets.php#L72
	    						//https://plugins.trac.wordpress.org/browser/sassy-social-share/trunk/public/class-sassy-social-share-public.php#L104

	    						continue;
	    					}
	    				}

	    				//var block_td_uid_2_58aab3b5b4eb1=new tdBlock()
	    				if(preg_match("/var\s+[^\=\;\s\"\']+\s*\=\s*new\s+[^\(\)]+\(/i", $tmp)){
	    					continue;
	    				}

	    				//<script>var lsjQuery = jQuery;</script>
						if(preg_match("/var\s+[^\=\s]+\s*\=\s*jQuery\s*\;/i", $value["text"])){
							continue;
						}

	    				//<script>Abtf.css();</script>
	    				//<script>dtGlobals.logoEnabled=1;</script>
	    				//if var does not exist
	    				if(!preg_match("/var\s*[a-z0-9_]+\s*\=\s*[^\;]+\s*\;/i", $tmp)){
	    					continue;
	    				}

	    				//<script>var dswcp_pre__=window._;</script>
	    				if(preg_match("/var\s+dswcp_pre__\s*\=\s*window\.\_\;/i", $tmp)){
	    					continue;
	    				}

	    				//$=jQuery.noConflict()
	    				//var joblistin_caned_msgs=jQuery.parseJSON('[{\"title\":\"jobs description 1\",
	    				if(preg_match("/\=\s*jQuery\.(noConflict|parseJSON)\(/i", $tmp)){
	    					continue;
	    				}

	    				//$(".menu-item-has-children a")
	    				if(preg_match("/\\\$\s*\(\s*[\"\']/", $tmp)){
	    					continue;
	    				}

	    				/*
	    				<script>
	    				jQ_nxs(document).on('nxs_event_resizeend.menu_mini_expand', function(){
	    					//something
						});
						</script>
	    				*/
	    				if(preg_match("/\([^\)]+\)\.on\(\s*[\'\"][^\'\"]+[\'\"]\s*\,\s*function\(\)\{/", $tmp)){
	    					continue;
	    				}

	    				/*
	    				<script>
	    				videojs("vid1").videoJsResolutionSwitcher();
	    				var my_video_id = videojs("vid1");
	    				my_video_id.watermark({ file: "/wp-content/uploads/2019/05/logo.png", xpos: 0, ypos: 0, xrepeat: 0, opacity: 1,clickable: true,url: "https://www.site.net"  });
						</script>
	    				*/
	    				if(preg_match("/videojs\([^\)\(]+\)\.videoJsResolutionSwitcher/", $tmp)){
	    					continue;
	    				}


				    	unset($this->tags[$key]);
				    	$inline_js = $value["text"]."\n".$inline_js;

				    }
				}
		    }

		    //to add Google Fonts at the end of page before js sources
			if($google_fonts){
				//$google_fonts = $this->combine_google_fonts($google_fonts);

				if(isset($GLOBALS["wp_fastest_cache_options"]->wpFastestCacheGoogleFonts) && $GLOBALS["wp_fastest_cache_options"]->wpFastestCacheGoogleFonts){
					if(preg_match("/wpfc-google-fonts/", $this->html)){
						$this->html = str_replace('<noscript id="wpfc-google-fonts">', '<noscript id="wpfc-google-fonts">'.$google_fonts, $this->html);
					}else{
						$google_fonts = $this->async_google_fonts($google_fonts);
						$this->html = str_replace("</body>", $google_fonts."\n"."</body>", $this->html);
					}

				}
			}

			//to add BootstrapCDN at the end of page before js sources
			if($bootstrapcdn){
				$this->html = str_replace("</body>", $bootstrapcdn."\n"."</body>", $this->html);
			}

		    //to add Inline Js before at the end of page before js sources
			if($inline_js){
				$this->html = str_replace("</body>", $inline_js."\n"."</body>", $this->html);
			}

			//to add third_part_js at the end of page
			if($third_part_js){
				$this->html = str_replace("</body>", $third_part_js."\n"."</body>", $this->html);
			}

			//to add defer and async attribute
			if($make_defer || !isset($GLOBALS["wp_fastest_cache_options"]->wpFastestCacheCombineJsPowerFul)){
				$this->tags = $this->add_defer_attr($this->tags);
			}

			//to add tags into footer
			$this->tags = array_reverse($this->tags);
			foreach ($this->tags as $key => $value) {
				if(preg_match("/^<script/i", $value["text"])){
					$this->html = str_replace("</body>", $value["text"]."\n"."</body>", $this->html);
				}else if(preg_match("/\<\!--\s*\[if[^\>]+>/i", $value["text"])){
					$this->html = str_replace("</body>", $value["text"]."\n"."</body>", $this->html);
				}
			}

			//to add document_ready_js at the end of page
			if($document_ready_js){
				$this->html = str_replace("</body>", $document_ready_js."\n"."</body>", $this->html);
			}

			//to add wpemojiSettings at the end of page
			if($wpemojiSettings){
				$this->html = str_replace("</body>", $wpemojiSettings."\n"."</body>", $this->html);
			}

			return preg_replace("/^\s+/m", "", $this->html);
		}

		public function async_google_fonts($fonts){
			if(preg_match("/\shref\=/", $fonts)){
				$fonts = "<noscript id=\"wpfc-google-fonts\">".$fonts."</noscript>";
				$onload = "<script>document.addEventListener('DOMContentLoaded',function(){function wpfcgl(){var wgh=document.querySelector('noscript#wpfc-google-fonts').innerText, wgha=wgh.match(/<link[^\>]+>/gi);for(i=0;i<wgha.length;i++){var wrpr=document.createElement('div');wrpr.innerHTML=wgha[i];document.body.appendChild(wrpr.firstChild);}}wpfcgl();});</script>";
				
				return $fonts."\n".$onload;
			}

			return $fonts;
		}

		public function combine_google_fonts($fonts){
			$family = "";
			$subset = "";

			preg_match_all("/fonts\.googleapis\.com\/css\?family\=([^\'\"]+)/si", $fonts, $arr);

			if(isset($arr[0])){
				foreach ($arr[0] as $key => $value) {
					//to remove special chars
					$value = htmlspecialchars_decode($value);

					$parts = parse_url($value);
					parse_str($parts['query'], $query);

					$family = $family ? $family."|".$query["family"] : $query["family"];

					if(isset($query["subset"]) && $query["subset"]){
						$subset = $subset ? $subset.",".$query["subset"] : $query["subset"];
					}
				}

				$family = str_replace(" ", "+", $family);
				$family = $subset ? $family."&subset=".$subset : $family;

				return "<!--\n".$fonts."\n-->\n"."<link rel='stylesheet' id='wpfc-google-combined' href='http://fonts.googleapis.com/css?family=".$family."' type='text/css' media='all'/>";
			}else{
				return $fonts;
			}
		}

		public function add_defer_attr($tags){
			$external_start = false;

			foreach ($tags as $key => &$value){

				if(preg_match("/^<script/i", $value["text"])){
    				if(preg_match("/var\s+[^\=\;\s\"\']+\s*\=\s*new\s+[^\(\)]+\(/i", $value["text"])){
						//var block_td_uid_2_58aab3b5b4eb1=new tdBlock()
    					break;
    				}else if(preg_match("/jQuery\(\s*window\s*\)\.load\(/i", $value["text"]) || preg_match("/\\$\(\s*window\s*\)\.load\(/i", $value["text"])){
						//jQuery(window).load(function(){
						//$(window).load(function(){
						break;
					}else if(preg_match("/^<script[^\>]*>\s*jQuery\([^\)\(]+\)\.[a-z]+\(/i", $value["text"]) && strpos($value["text"], "\n") === FALSE){
						//<script>jQuery("div").append("");</script>

						$value["text"] = $this->defer_load_inline_js($value["text"]);
					}else if(preg_match("/^<script[^\>]*>\s*\(function\(\\$\)\{[^\}\n]+\}\)\(jQuery\)\;\s*<\/script>/", $value["text"])){
						//<script>(function($){"use strict";$("html").removeClass("ut-no-js").addClass("ut-js js");})(jQuery);</script>

						$value["text"] = $this->defer_load_inline_js($value["text"]);
					}else if(preg_match("/^<script[^\>]+src=[\'\"][^\>]+>/i", $value["text"])){
						if(preg_match("/data-cfasync\=/i", $value["text"])){
							break;
						}

						if(preg_match("/googletagmanager\.com/i", $value["text"])){
							continue;
						}

						if(!preg_match("/\s+defer\s+/i", $value["text"])){
							$value["text"] = preg_replace("/<script\s+/", "<script defer ", $value["text"]);
						}

						$external_start = true;
					}else{
						//inline js

						if(preg_match("/connect\.facebook\.net/i", $value["text"]) && preg_match("/parentNode\.insertBefore/i", $value["text"])){
							// <script>(function(d, s, id){
							// var js, fjs=d.getElementsByTagName(s)[0];
							// if(d.getElementById(id)) return;
							// js=d.createElement(s); js.id=id;
							// js.async=true;
							// js.src="//connect.facebook.net/nl_NL/sdk.js#xfbml=1&version=v2.8&appId=1126044540802926";
							// fjs.parentNode.insertBefore(js, fjs);
							// }(document, 'script', 'facebook-jssdk'));</script>

							continue;
						}else if(preg_match("/<script[^\>]*>\s*_stq\s*\=\s*window\._stq/i", $value["text"]) && preg_match("/_stq\.push\s*\([^\)]+\)\s*\;\s*<\/script>/i", $value["text"])){
							// <script type='text/javascript'>
							// _stq = window._stq || [];
							// _stq.push([ 'view', {v:'ext',j:'1:5.5',blog:'121052134',post:'88',tz:'3',srv:'www.bibersa.com'} ]);
							// _stq.push([ 'clickTrackerInit', '121052134', '88' ]);
							// </script>

							continue;
						}else{
							if($external_start){
								break;
							}else{
								if(preg_match("/var\s+wpforms(_settings|RecaptchaLoad|RecaptchaCallback)\s*\=/i", $value["text"])){
									// WPForms Lite
									// var wpforms_settings = {variable}
									// var wpformsRecaptchaLoad=function(){
									// var wpformsRecaptchaCallback=function
									continue;
								}

								if(preg_match("/window\.TL_Const/i", $value["text"]) && preg_match("/var\s+TL_Const/i", $value["text"])){
									// Thrive Leads
									// if(!window.TL_Const){var TL_Const=
									continue;
								}

								if(preg_match("/<script[^\>]+application\/ld\+json[^\>]+>/i", $value["text"])){
									// <script type="application/ld+json">
									// {
									// "@context": "http://schema.org/",
									// "@type": "Product",
									// "name": "Product Name",
									// "image": "/default.png",
									// "aggregateRating": {
									// "@type": "AggregateRating",
									// "ratingValue": "5",
									// "reviewCount": "81"
									// }
									// }
									// </script>
									continue;
								}

								if(preg_match("/_translator_revolution_dropdown/i", $value["text"])){
									// <script>var _translator_revolution_dropdown=_translator_revolution_dropdown||{languages: ["en","fr","de"],excludeSelector: "code, #wpadminbar",locationWidget: false};</script>

									continue;
								}

								$value["text"] = $this->defer_load_inline_js($value["text"]);
							}
						}
					}
				}else if(preg_match("/^<(link|style)/i", $value["text"])){
					continue;
				}else if(preg_match("/<\!--\s*\[if/i", $value["text"])){
					preg_match_all("/<script[^\>]+src=[\'\"][^\>]+>/i", $value["text"], $src_number);
					preg_match_all("/<script[^\>]*/i", $value["text"], $script_tag_number);

					if(count($script_tag_number[0]) != count($src_number[0])){
						break;
					}

					if(preg_match("/<link|<style/i", $value["text"])){
						break;
					}

					if(!preg_match("/<script[^\>]+src=[\'\"][^\>]+>/i", $value["text"])){
						break;
					}

					if(preg_match("/data-cfasync\=/i", $value["text"])){
						break;
					}

					if(!preg_match("/<script[^\>]+defer[^\>]+>/i", $value["text"])){
						$value["text"] = preg_replace("/<script\s+/", "<script defer ", $value["text"]);
					}
				}else{
					break;
				}
			}

			return $tags;
		}

		public function defer_load_inline_js($script){
			if(preg_match("/<script[^\>]*>\s*\/\/\<\!\[CDATA\[\s*/", $script) && preg_match("/\/\/\]\]\>\s*<\/script>/", $script)){
				$script = preg_replace("/(<script[^\>]*>)\s*\/\/\<\!\[CDATA\[\s*/", "$1\n", $script);
				$script = preg_replace("/\/\/\]\]\>\s*(<\/script>)/", "\n$1", $script);
			}

			if(preg_match("/var\s+wpforms_conditional_logic/i", $script)){
				// to exclude the conditions of wpforms
				// <script type='text/javascript'>
				// /* <![CDATA[ */
				// var wpforms_conditional_logic = {"5616":{"17"}]],"action":"show"}}}
				// /* ]]> */
				// </script>
				return $script;
			}

			if(preg_match("/var\s+recaptchaWidgets/i", $script)){
				if(preg_match("/var\s+recaptchaCallback/i", $script)){
					// to exclude
					// https://github.com/IQComputing/wpcf7-recaptcha/blob/master/recaptcha-v2.php#L94
					return $script;
				}
			}

			if(preg_match("/function jqIsReady/i", $script)){
				return $script;
			}

			if(preg_match("/^<script[^\>]+>\s*<\/script>/i", $script)){
				// to exclude empty inline source
				// <script type="text/javascript" id="wpsp-script-frontend"></script>
				return $script;
			}

			if(preg_match("/rs-initialisation-scripts/i", $script)){
				// Slider Revolution init
				return $script;
			}

			if(preg_match("/window\.RS_MODULES/i", $script)){
				// Revolution Slider
				if(preg_match("/var\s+tpj\s*\=\s*jQuery/i", $script)){
					return $script;
				}
			}

			if(preg_match("/wpforms-recaptcha-js-after/i", $script)){
				return $script;
			}

			$script = preg_replace("/^(<script[^\>]*>)/i", "$1"."document.addEventListener('DOMContentLoaded',function(){", $script);
			$script = preg_replace("/\s*(<\/script>)/i", "});"."$1", $script);

			return $script;
		}


		public function get_html_image_style($value){
			if(preg_match("/\.gif|jpg|jpeg|png/i", $value)){
				if(preg_match("/url\(/i", $value)){
					return '<style>'.$value."</style>";
				}else{
					// old version... we need to remove it after some time
					$value = trim($value);
					$value = trim($value, "'");
					$value = trim($value, '"');
					$value = trim($value);
					return '<div style="display:none !important;"><img src="'.$value.'" /></div>';
				}
			}
		}

		public function split_html_condition($tag){
			if(substr_count($tag, '<!--') == substr_count($tag, '-->')){
				if(preg_match("/\<\!--\s*\[if[^\>]+>/i", $tag, $start_cond)){
					if(preg_match("/<\!\[endif\]-->/i", $tag, $end_cond)){
						$all = array();

						$script_tag = $this->find_tags("<script", "</script>", $tag);
						$style_tags = $this->find_tags("<style", "</style>", $tag);
						$link_tags = $this->find_tags("<link", ">", $tag);

						$all = array_merge($script_tag, $style_tags, $link_tags);

						$all = $this->tags_reorder($all);

						foreach ($all as $key => &$value) {
							$value["text"] = $start_cond[0].$value["text"].$end_cond[0];
						}

						return $all;
					}
				}
			}

			return false;
		}
	}
?>